Supplemental data for Failure strength of glacier ice inferred from Greenland crevasses

• Main Author: Grinsted, Aslak
• Format: Other/Unknown Material
• Language: English
• Published: Zenodo 2024
• Subjects: crevasse; greenland; ice; glacier; Greenland; Ice Sheet
• Online Access: https://doi.org/10.5281/zenodo.10567694

This archive contains data that were used in the preparation of this study: A. Grinsted, N. Rathmann, R. Mottram, A. M. Solgaard, J. Mathiesen, and C.S. Hvidberg. (2024) "Failure strength of glacier ice inferred from Greenland crevasses", The Cryosphere. The study is mostly based on published datasets [see paper for details]. This archive only contains additional data files that were generated as part of this study. Aslak Grinsted, january 2024 FILES ============================================================= interior_mask.gpkg A geopackage file with a manually traced polygon of the interior part of the ice sheet. opening_crevasses_mask.tif This is a mask of opening crevasses. Opening crevasses fulfill these criteria (see paper for details): - On the upstream edge of crevasse fields. (Detected using sobel filters and requiring the along flow crevasse density gradient to be positive) - Not inside interior_mask.gpkg - crevasse fraction<5% - Thickness[H]>200 tau_opening.csv - data extracted from various sources for opening crevasses. - Columns: tau_vm[Pa],x[m],y[m],z[m],crevasse_density,v[m/yr],acceleration[m/yr2],T[K],H[m],seasonal_amp[m/yr],zwallyregion,dcdl[m-1],e1[s-1],e2[s-1],t1[Pa],t2[Pa],is_steady